#include <iostream>
using namespace std;

int main() {

  short num1 = 10;

  cout << "占用内存空间：" << sizeof(int) << endl;
  cout << "占用内存空间：" << sizeof(long) << endl;
  cout << "占用内存空间：" << sizeof(long long) << endl;
  
  system("pause");
  return 0;
}
